This mod seems to remove anchor tags from the URLs on my site. Is there a way to fix this?

To see what I mean, go here: http://bit.ly/t88fho and click 'Write Review' - This opens the write review panel, but should scroll down to the bottom of the page where the write review form is, using an anchor tag, however this is being removed from the url so it does not happen!

I was a little concerned about using a 3rd party SEO module for osCommerce - there were some well established ones and they were free - Magic SEO URLs for osCommerce were paid for! But I was looking at my sites and getting concerned with duplicate content - everything was being duplicated and the search engines (allegedly) look down on...